Starfish Summer

Watercolor illustration for children's book StarFish Summer by Yong Chen.Something about Starfish

You would see Starfish if you go tide pooling. it is popular among the younger crowd.

Many children like starfish. Though you can see many of them in a aquarium, but it will be more surprising if you find one yourself in the sea. Pink Star (Pisaster brevenspinus)

Starfish is a well-known creature. They have no front or back: they can move in any direction without turning. Rather than using muscles to move their hundreds of tiny legs, starfish use a complex hydraulic system to move around or cling to rocks. The intake valve for this system is generally located on the top of the Starfish, just off center, as can be seen clearly on the Leather Star (Dermasterias imbricata).

If you've ever tried to pry a Starfish off a rock, you know how effective its hydraulic system really is.

The starfish don't have to make themselves symmetrical. They can rearrange their arms any way they please in order to wedge themselves into a small nook in the rocks, as you can see in the almost human-looking Knobby Star (Pisaster giganteus).

Starfish are usually sluggish, have five or six arms and get pretty stiff when you try to pick them up. The Sunflower Star (Pycnopodia helianthoides) breaks all of these stereotypes. It typically has around 20 arms, moves, practically flows, quite gracefully across the surface, and is soft to the touch.

When a starfish lost an arm, it will grow back.

Other interesting starfish include: Ochre Star (Pisaster ochraceous), Bat Star (Patiria miniata), and Six-rayed Star (Leptasterias hexactis), mottled Starfish is also a Bat Star.

Starfish may not be considered a fish, but are animals belonging to the Phylum Echinodermata, and are further divided into two classes Asteroidea (sea stars) and Ophiuroidea (brittle stars). Although starfish are thought to be passive they can be quite a voracious predator under the sea. Starfish feed primarily on mollusks and other echinoderms. While starfish are commonly represented as having only 5 legs, there are some that exhibit many more as seen below.

Here are some of the Starfish:

starfishSand Sifting Sea Star starfish
Nine Armed or Millipede starfish
Marble Sea Star starfish
Basket Star starfish
Brittle Star starfish
Sunflower Starfish
Red Sea Star starfish
Beaded Star
White Sand Star starfish
hocolate Chip Starfish - Protoreastor nodosus
African Red-Knob Star - Protoreaster lincki
Sand Sifting Star - Astropecten polycanthus
Black Brittle Star
Orange Sea Star starfish
Blue Linckia Sea Star starfish
Brown Star- This starfish various in color from brownish to tan
Common N. Atlantic Starfish
Netted Star
Spiny Beaded Star
Sugar Star
Cushion Star (Bahamas Star)

More about Starfish:
Sea Stars characteristically have five arms extending from a central disk like a star. In the aquarium they can be fed small pieces of fish, placing the food near or even under the Sea Star. Serpent and Brittle Sea Stars are popular additions to reef aquariums that contain live sand as they constantly stir the sand bed and provide oxygen to the beneficial bacteria living in the sand.

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